Boon Lasseigne RD over Martin Bayou
GoodPosted for loadSt. Martin Parish, Louisiana · 2.2 Mi. E of LA 347 · Structure no. 035030124914711
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 63
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Boon Lasseigne RD over Martin Bayou is a concrete slab carrying Boon Lasseigne RD over Martin Bayou in St. Martin Parish, Louisiana. It was built in 1972, so it is 53 years old, older than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.
It carries about 63 vehicles a day, projected to reach 69 by 2040. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Boon Lasseigne RD over Martin Bayou built?
It was built in 1972, making it 53 years old in 2025.
What condition is Boon Lasseigne RD over Martin Bayou in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does Boon Lasseigne RD over Martin Bayou carry?
About 63 vehicles per day (2020 count).
How long is Boon Lasseigne RD over Martin Bayou?
The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.
Who owns Boon Lasseigne RD over Martin Bayou?
It is owned by the County Highway Agency.